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Finding the Third Proportional to 372,924 and 572,265

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Solution

The third proportional to 372,924 and 572,265 is: 878,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,924 : 572,265 = 572,265 : x
  2. Step 2: Convert to fraction form
    372,924/572,265 = 572,265/x
  3. Step 3: Cross multiply
    372,924x = 572,265 × 572,265
  4. Step 4: Simplify right side
    372,924x = 327,487,230,225
  5. Step 5: Solve for x
    x = 327,487,230,225/372,924
  6. Step 6: Final answer
    x = 878,160.78

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.